William weavee



23%;: WILLIAM WEAVER.

Improvement in Sawing-Machine's; 4

Patented Jan. 30,1872.

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592a id Z ees I I 2 WILLIAM WEAVER.

improvement in Sawing Machines.

No, 123,211, I I PatentedJan.30,18 7 2 awmm 311mm:

f3, W I I 3 Urirrnn ra rns @rrrcin WILLIAM WEAVER, OF GREENWICH, NEWYORK.

EMPRQVEMENT IN SAWING=MACHINES.

Specification describing a new and Improved Sawing, Planing, andBoring-Machine, in vented by WILLIAM WEAVER, of Greenwich, in the countyof lVashington and State of New York.

Figure 1, Sheet 1, is a top view of my improved machine. Fig. 2, Sheet1, is a side View of the same looking in the direction of arrow 1,Fig. 1. Fig. 3, Sheet 2, is an end view of the same looking in thedirection of arrow 2, Fig. 1. Fig. 4, Sheet 2, is a side view of thesame looking in the direction of arrow 3, Fig. 1.

Similar letters of reference indicate corresponding parts.

My invention has for its object to furnish an improved machine whichshall be simple in construction, inexpensive in manufacture, con venientin use, and effective in operation, and which shall be so constructedthat it may be readily adjusted for use as a scroll-saw, a circular saw,a planer, or a boring-machine, and which shall be convenient andeffective in either capacity 5 and it consists in the construction andcombination of the various parts of the machine, as hereinafter morefully described.

A is the frame-work of the machine. B is the driving-pulley or drum, thejournals of which revolve in bearings attached to the frame A, the outerjournal projecting sufficiently to receive a crank, G, or band-pulley,either or both, so that the machine may be driven by hand or power, asmay be desired. 1) are belts, two or more of which should be used, whichpass around the driving-pulley or drum B and around the loose pulley orpulleys E. The opposite sides of the belts l) are drawn inward andpassed around the shaft F upon opposite sides of said shaft alternately,as shown in Figs. 1 and 2, makin g the strain upon said shaft equal inopposite directions, and thus relieving the said shatt from any sidestrain from the said belts. The loose pulleys E, when more than one areused, are placed upon a shaft attached to the upper ends of the twolevers H, which are pivoted to the frame A or to brackets or suppportsattached to the said frame. When only one pulley, E, is used it ispivoted to and between two centers, Gr, secured to the ends of thelevers H by screw-threads or otherwise, so that they may be set up tocompensate for wear. The other ends of the levers H are rigidlyconnected by a cross-bar, to which is attached one end of a strap, I,for adjusting the tension of the belts D and taking up the stretch ofsaid belts. The free end of the strap I passes through a slottedsupport, J, to which is pivoted a levercam, K, so that the strap I canbe securely and firmly held when adjusted. The shaft F revolves inbearings attached to the frame A,

and to its outer end is secured a fly-wheel, L,

to which is attached a crank-pin, N, on which is pivoted the upper endof a connecting-rod, N, the lower end of which is pivoted to the crank 0formed upon the end of the rocksha-it P, which works in bearingsattached to the lower part of the frame A, the crank 0 bein g made ofsuch a length that the revolution of the crank fly-wheel L will onlyrock the shaft P. To the rock-shaft P is rigidly attached a crank-arm,Q, to the outer end of which is pivoted the lower end of theconnecting-rod It, the upper end of which is pivoted to the slidingblock S, which slides in ways secured to the frame A. T is thescroll-saw, the lower end of which is secured to the sliding block S bya spring-key, a pin, or other conveniently-detachable device. The upperend of the saw T is secured by a similar device to the sliding block U,which works in ways attached to the downwardly-projecting end of the armV, which is curved, as shown in Fig. 3, and the other end of whichprojects downward and is secured to the frame A. To the upper partof thesliding block U is attached a hook or knob, to which is secured the endof a strap, W, which passes over the pulley X, and its other end isattached to a screw or other catch on the said pulley X. With the pulleyX or with the journal of said pulley is rigidly connected at smallerpulley, V, to which is attached a screw or other catch to receive theend of the strap Z, which passes over the said pulley V. and to theother end of which is attached one end of a coiled spring, A, the otherend of which is adjustably connected to the end of a bent arm, B, theother end of which is attached to the arm or support V.

B y this construction the saw T is drawn downward by the downwardmovement of the cran karm Q of the rock-shaft P, which movement of thesaw T expands the coiled spring A. As the crank-arm Q again rises thecontraction of the coiled spring A raises the saw T for another stroke.

To the shaft F is attached a circular saw, 0, in the ordinary manner. Tothe shaft F is also attached a cutter-head, D, the cutters of which maybe plain for ordinary planing,

' or may be notched or scalloped to form moldings, &c. Upon the end ofthe shaft F is screwed a nut, E, having a socket formed in its outer endto receive a boring-tool, F. G is the table of the machine, which restsupon the top of the frame A, and is slotted for the passage of thescroll-saw T and the circular saw C. The table G is secured and hingedat one end to the frame A by hooks and staples or eyes H. To the otherend of the table G is attached the upper end of the strap or plate 1,which is slotted longitudinally to receive a bolt, J, attached to theframe A, and upon which is screwed a handnut, K, so that the end of thetable G may be conveniently raised or lowered to adj ustit withreference to the circular saw 0, as the character of the workmayrequire. The table G is provided with an adjustable gauge or guide, L,in the ordinary manner. M is a table attached to upon their outer ends,so that the table M may be secured at any desired elevation, accordingto the character of the work to be done.

\Vhen either the circular-saw, the planer, or the boring-tool is to beused, the other two of said parts are to be detached, so as to ob tainas much space as possible for the work, avoid carrying unnecessaryweight, and avoid the danger of injuring the workman with the tools notbeing used. When either the circular-saw, the planer, or the boring-toolis to be used, the upper end of the connecting-rod N should be detachedfrom the crank-pin N of the fly-wheel L, to avoid driving the mechanismthat operates the scroll-saw. When the scroll-saw is to be used theother tools should all be detached from the shaft F.

Having thus described my invention, 1 claim as new and desire to secureby Letters Patent- The combination of the crank fly-wheel L, pin N,connecting-rod N, crank O, rock-shaft P, crank Q, connecting-rod R,slide S, curved arm V, slide U, strap WV, pulley V, strap Z, and springA with the shaft F, two or more driving-belts, D, driving-pulley B,loose pulley E (one or more,)levers H, strap I, and camclamp J K,substantiall as herein shown and described, and for the purpose setforth.

WILLIAM WEAVER.

Witnesses:

JAMES T. GRAHAM, T. B. MosnEn.

